F10: devicemapper raid not seen in installer

David Jansen jansen at strw.leidenuniv.nl
Wed Dec 3 17:24:59 UTC 2008


To follow up on my own post: I have seen the same problem now on a
number of other machines of this type with such a raid configuration, so
unfortunately, it is not just a single machine with a broken
configuration. 

I filed a bug report, https://bugzilla.redhat.com/show_bug.cgi?id=474399

David Jansen

On Thu, Nov 27, 2008 at 12:46:26PM +0100, David Jansen wrote:
> After a few succesful Fedora 10 installs, I tried to install my main
> machine which has 3 harddisks, 1 SATA disk (sda) for the system and a
> data partition, and 2 sata disks in RAID1, set through the bios (Intel
> chipset, raid bios reports as Intel Matrix Storage Manager option ROM
> v7.6.0.1011 ICH9R wRAID5) which in Fedora 8 was handled by device mapper:
> $ df /home
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/mapper/isw_edcfaihjg_Volume0p1
>                      473078128 106809904 341849428  24% /home
> 
> However, when starting a fresh install of Fedora 10 (I wanted to keep
> /home and /data, but reformat the other partitions), no RAID was seen;
> anaconda just reports 3 SATA disks, sa, sdb and sdc, and sdb and sdc
> both contain 1 ext3 partion, both labeled /home , according to anaconda.
> 
> Is there some additional magic or boot option needed to enable
> devicemapper during a reinstall? I couldn't find anything in the release
> notes that could indicate that this behaviour has changed.
> 
> David Jansen
> 
> PS: in case it helps, architecture is x86_64; system is a HP xw4600, cpu
> reports as Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz




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